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Q:

निम्न में से रोटर का बलाघूर्णा उच्चतम होगा ?

  • 1
    शेडेड ध्रुव मोटर
  • 2
    यूनिवर्सल मोटर
  • 3
    कैपेसिटर मोटर
  • 4
    उपयुर्क्त सभी का समान होगा
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Answer : 3. "कैपेसिटर मोटर"
Explanation :

Cylindrical rotors are used in high-speed alternators having speed between 1500 rpm to 3000 rpm and salient pole rotors are used in low-speed devices, from 100 rpm to 1500 rpm. Cylindrical type rotors are used in turbo-alternators and these are made up of solid steel forging to get high mechanical stress.

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